Prices can vary considerably depending on where you live and how you live. To help you get a better idea of how to budget, have a look at budget guides written by several bloggers on Studyinsweden.se
Accommodation: SEK 3,700 ( between SEK 2,500 and SEK 6,500 in big cities like Stockholm)
Food: SEK 2,000
Local travel: SEK 550
Phone/internet: SEK 300
Hobby/leisure, miscellaneous: SEK 1,450
Thus, an average budget could be around SEK 8000 (850 €) per month.
Please notice the actual currency rate: 1 € = 9, 72 SEK.